﻿/// <reference name="MicrosoftAjax.js"/>

/**
*
*  URL encode / decode
*  http://www.webtoolkit.info/
*
**/

Type.registerNamespace("GreeNova");

GreeNova.Url = new function() {
    // private method for UTF-8 encoding
    _utf8_encode = function(string) {
        string = string.replace(/\r\n/g, "\n");
        var utftext = "";
        for (var n = 0; n < string.length; n++) {
            var c = string.charCodeAt(n);
            if (c < 128) {
                utftext += String.fromCharCode(c);
            }
            else if ((c > 127) && (c < 2048)) {
                utftext += String.fromCharCode((c >> 6) | 192);
                utftext += String.fromCharCode((c & 63) | 128);
            }
            else {
                utftext += String.fromCharCode((c >> 12) | 224);
                utftext += String.fromCharCode(((c >> 6) & 63) | 128);
                utftext += String.fromCharCode((c & 63) | 128);
            }
        }
        return utftext;
    };

    // private method for UTF-8 decoding
    _utf8_decode = function(utftext) {
        var string = "";
        var i = 0;
        var c = c1 = c2 = 0;
        while (i < utftext.length) {
            c = utftext.charCodeAt(i);
            if (c < 128) {
                string += String.fromCharCode(c);
                i++;
            }
            else if ((c > 191) && (c < 224)) {
                c2 = utftext.charCodeAt(i + 1);
                string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
                i += 2;
            }
            else {
                c2 = utftext.charCodeAt(i + 1);
                c3 = utftext.charCodeAt(i + 2);
                string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
                i += 3;
            }
        }
        return string;
    };

    this.encode = function(url) {
        if (url)
            return escape(_utf8_encode(url));
    };
    this.decode = function(url) {
        if (url)
            return _utf8_decode(unescape(url));
    };
    //this.navigateToAnchor = function(anchor) {
    //    if (anchor && anchor.length > 0) {
    //        if (anchor.charAt(0) === '#')
    //            anchor = anchor.slice(1);
    //        var target = $('a[name="' + anchor + '"]:first');
    //        if (target.length === 1)
    //            $.scrollTo(target[0], { axis: 'y' });
    //    }
    //};
};

//GreeNova.Url.registerClass('GreeNova.Url', null);

(function($) {
    $.url = {
        encode: function(url) {
            return GreeNova.Url.encode(url);
        },
        decode: function(url) {
            return GreeNova.Url.decode(url);
        }
    };
})(jQuery);
